Profiling support

The locate command doesn't necessarily locate everything ion your
disk. But if you're sure you;re linking to the right library, then I
trust you.
Does the GMP build system pass -pg option to the compiler during the
build?
If it does, then profiling is broken on your system, and that is not
GMP's fault. You need to resolve this with whoever put together your
distribution.
If the GMP build system doesn't pass -pg, then configure must have
decided not to pass it, because a feature test gave some error.
config.log should give details about the failure.
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Torbjörn